Roman Cheplyaka <r...@ro-che.info> writes: > * Ben Gamari <bgamari.f...@gmail.com> [2013-09-17 10:03:41-0400] >> Another approach might be to introduce some notion of a name list which >> can appear in the export list. These lists could be built up by either >> user declarations in the source module or in Template Haskell splices >> and would serve as a way to group logically related exports. This >> would allow uses such as (excuse the terrible syntax), > > Hi Ben, > > Isn't this subsumed by ordinary Haskell modules, barring the current > compilers' limitation that modules are in 1-to-1 correspondence with > files (and thus are somewhat heavy-weight)? > > E.g. the above could be structured as > > module MyDataLenses where > data MyData = MyData { ... } > makeLenses ''MyData > > module HelloWorld (module MyDataLenses, ...) where > ... > True. Unfortunately I've not seen much motion towards relaxing this limitation[1].
Cheers, - Ben [1] http://ghc.haskell.org/trac/ghc/ticket/2551
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